Home / 211,810.08-292,278.42-118,666.56

Finding the Fourth Proportional to 211,810.08, 292,278.42 and 118,666.56

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Solution

The fourth proportional to 211,810.08, 292,278.42 and 118,666.56 is: 163,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,810.08 : 292,278.42 = 118,666.56 : x
  2. Step 2: Convert to fraction form
    211,810.08/292,278.42 = 118,666.56/x
  3. Step 3: Cross multiply
    211,810.08x = 292,278.42 × 118,666.56
  4. Step 4: Simplify right side
    211,810.08x = 34,683,674,663.64
  5. Step 5: Solve for x
    x = 34,683,674,663.64/211,810.08
  6. Step 6: Final answer
    x = 163,748.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.